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The fraction of B ions occupying substitutional sites after implantation into Si, ?s, is measured at extremely low doses with the β-NMR technique. The temperature dependence of ?s(T) is compared with...
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In a laboratory experiment three soil types were treated with two sources of sewage sludge at four rates. β-Glucosidase activity was assayed after 0, 7, 14, and 30 days of incubation. At the lower lo...
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The α-master functions of the mode coupling theory for a binary soft-sphere mixture are presented. They are directly determined by the static structure factors Sq. The asymmetric stretching of the su...
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The geographic distribution of mesozooplankton on the east-southeast Brazilian continental shelf (18–23°S latitude) was determined. This region can be considered a transition between the Abrolhos' tr...
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By using the spacetime algebra, we explain the helical motion of the electron (zitterbewegung) and its Coulomb field by introducing a mechanism that breaks locally the electromagnetic gauge invariance...
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Supernatants obtained from PHA-activated pronephric carp lymphocytes were able to provoke the growth of carp blasts but not from fresh lymphocytes without mitogens. These supernatants contain certainl...
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Two laser spectral hole burning in the hyperfine lines of the 646.9 nm transition of 0.0018% Ho3+:LaCl3 is presented and discussed. It is shown that the hole burning in this centre can be described by...
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Raffi M. Turian and Mohamad K. Fakhreddine and Kostas S. Avramidis and Dong-Jin Sung
The yield stresses of coal-water mixtures as functions of solids volume fraction, suspended particle size, and suspension pH were measured using the vane method. The suspension yield stress-solids vol...
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Using a surface sensitive X-ray scattering technique, we investigated the atomic-scale step structure on a cleaved MgO(100) single crystalline surface. We show that the fine structure of a crystal tru...
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X-ray scattering topography has been applied to sputtered Co/Au multilayer films in order to clarify structural inhomogeneities along the film surface. The observed difference in the main peak intensi...
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X-ray reflectivity investigations have been performed on thin amorphous SiO2 films obtained by r.f.-sputtering of fused quartz onto Si single crystals in an argon atmosphere. This is a non-destructive...
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Before joining Ellis Cosslett's EM Group in October 1949, coming from Canada, I had chosen to work on the X-ray projection microscope. The new instrument was constructe, tested and improved and a Ph.D...
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X-ray photoelectron spectroscopy (XPS) has been used to study the characteristics of titanium nitride (TiN) as a nucleation layer for the deposition of low pressure chemical vapor deposited tungsten (...
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This paper presents a description of the state of the art methodology and software for the application of x-ray microanalysis to thin surface layers and more generally to the characterization of strat...
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Summary The uptake and localization of aluminium in root tissues as well as the effect of Al-stress on intracellular concentrations of phosphate and potassium were analysed by X-ray microanalysis (EDX...
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Systematic studies of X-ray emission in the interaction of various slow multicharged ions (MCI) with metallic surfaces were performed at various energies. A low resolution/high efficiency Si(Li) detec...
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The chemical shift found for nickel core levels indicates the transfer of electrons from the Al2O3 oxide to deposited Ni. This process creates the Ni/Al2O3 surface dipoles, the electric field of which...
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R. Alfonsetti and L. Lozzi and M. Passacantando and P. Picozzi and S. Santucci
The surface stoichiometry of SiOx thin films (x = 1–2) has been studied by means of X-ray photoelectron spectroscopy. The presence of three Si oxidation states (SiO2, SiO, Si2O3) has been observed th...
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Four pure zirconium carboxylate complexes, [Zr(acac)4], [Zr(acac)3Cl], [Zr(acac)2(crotonate)2] and [Zr(acac)2(benzoate)2], hav been prepared and used as “model” surfactants on polythylene surfaces. ...